Login | Register

Puzzle 4135: Summation

A{n}=1+n(n+1)/2 simply A{n}=1+(1+2+..+n)

Play    Designer template    2 comments

Author: cowans
Date posted: 2/1/2013 11:46:50 PM
Difficulty (1..5): 3.75 (4 votes)
Popularity: 0 (1 liked, 1 disliked)
Correct solution submitted: 10

 

Solved by 5 players

scorpio (26)shaggy12 (27)cowans (28)edsaw (29)smylic (29)

Number of commands in the solution is shown in brackets. Shown as ? when not available.

©2009 Igor Ostrovsky and other contributors. Terms of use